Lab tests CPT 87340 Montana Outpatient

Hepatitis B test cost in Montana

In Montana, 9 hospitals publish a cash price for hepatitis B surface antigen (HBsAg) test: from $11.48 to $97.60, with a median of $51.20. The lowest price is at Great Falls Clinic Hospital (Great Falls). The highest price is 8.5× the lowest.

Outpatient cash prices, one line per hospital — its lowest listed price for code 87340. Prices for both sides of the body and inpatient prices are not mixed in. Collected Sep 23, 2026.

Lowest$11.48Great Falls Clinic Hospital
Median$51.20half pay less
Highest$97.60in Montana
Lowest saves$39.72vs the median

Hospitals in Montana, cheapest first

HospitalCash price List priceFile date
Great Falls Clinic Hospital lowest Great Falls · Great Falls, MT HEPATITIS B SURFACE AG IA $11.48 $11.48 —
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Montana Childrens Home & Hospital Helena · Helena, MT Detection test by immunoassay technique for hepatitis B surface antigen $17.33 $23.10 Mar 10, 2026
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Community Hospital of Anaconda Anaconda · Anaconda, MT Detection test by immunoassay technique for hepatitis B surface antigen $41.78 $55.70 Jul 20, 2026
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St. Peter's Health Helena · Helena, MT LABORATORY - BACTERIOLOGY AND MICROBIOLOGY $48.63 $57.21 —
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St. Patrick Hospital Missoula · Missoula, MT HC IAAD IA HEPATITIS B SURFACE ANTIGEN CDM $51.20 $64.00 Apr 1, 2026
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Providence St Joseph Medical Center Polson · Polson, MT HC IAAD IA HEPATITIS B SURFACE ANTIGEN CDM $63.20 $79.00 Apr 1, 2026
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Barrett Hospital & Healthcare Dillon · Dillon, MT Detection test by immunoassay technique for hepatitis B surface antigen $74.10 $78.00 Jun 12, 2026
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Deaconess Regional Medical Center Bozeman · Bozeman, MT HC IAAD IA HEPATITIS B SURFACE ANTIGEN - HEPATITIS B SURFACE ANTIGEN $80.80 $101.00 Nov 19, 2024
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Big Sky Medical Center Big Sky · Bozeman, MT HC IAAD IA HEPATITIS B SURFACE ANTIGEN - HEPATITIS B SURFACE ANTIGEN $97.60 $122.00 Nov 19, 2024
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By metro area

Each metro page compares every listing, including prices for both sides of the body.

Metro areaHospitals LowestMedian
Bozeman, MT 2 $80.80 $89.20
Helena, MT 2 $17.33 $32.98
Anaconda, MT 1 $41.78 $41.78
Dillon, MT 1 $74.10 $74.10
Great Falls, MT 1 $11.48 $11.48
Missoula, MT 1 $51.20 $51.20
Polson, MT 1 $63.20 $63.20

What it is

The hepatitis B surface antigen test shows whether the hepatitis B virus is present in the blood now. The CDC recommends screening all adults at least once and every pregnant woman in each pregnancy.

What the price covers

The price usually covers running the test. The blood draw (36415) is often billed as a separate line.

Hepatitis B surface antigen (HBsAg) test in other states

Median cash price across the state's hospitals.